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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Carbon electrodes, of a kind used for furnaces | $4,532,219 | $6,130,731 | $6,203,888 | $9,489,036 | $6,645,513 | $10,821,784 | $7,914,519 |
| Carbon electrodes, other than of a kind used for furnaces | $242,264 | $803,354 | $1,322,395 | $1,407,796 | $2,999,518 | $2,882,731 | $4,232,410 |
| Carbon brushes | $2,498,813 | $2,357,978 | $1,435,160 | $1,912,072 | $1,988,459 | $1,336,881 | $1,831,625 |
| Lamp carbons, battery carbons & oth. arts. of graphite/oth. carbon, with/wi ... | $703,837 | $994,287 | $904,530 | $522,198 | $420,288 | $818,058 | $251,490 |
| Total | $7,977,133 | $10,286,350 | $9,865,973 | $13,331,102 | $12,053,778 | $15,859,454 | $14,230,044 |
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